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Oracle® Database Reference
11g Release 2 (11.2)

E40402-14
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DBA_HIST_FILESTATXS

DBA_HIST_FILESTATXS displays information about file read/write statistics. This view contains snapshots of V$FILESTAT.

Column Datatype NULL Description
SNAP_ID NUMBER   Unique snapshot ID
DBID NUMBER   Database ID for the snapshot
INSTANCE_NUMBER NUMBER   Instance number for the snapshot
FILE# NUMBER   File identification number
CREATION_CHANGE# NUMBER   Change number at which the datafile was created
FILENAME VARCHAR2(513)   Name of the datafile
TS# NUMBER   Tablespace number
TSNAME VARCHAR2(30)   Name of the tablespace
BLOCK_SIZE NUMBER   Block size of the datafile
PHYRDS NUMBER   Number of physical reads done
PHYWRTS NUMBER   Number of times DBWR is required to write
SINGLEBLKRDS NUMBER   Number of single block reads
READTIM NUMBER   Time (in hundredths of a second) spent doing reads if the TIMED_STATISTICS parameter is true; 0 if TIMED_STATISTICS is false
WRITETIM NUMBER   Time (in hundredths of a second) spent doing writes if the TIMED_STATISTICS parameter is true; 0 if TIMED_STATISTICS is false
SINGLEBLKRDTIM NUMBER   Cumulative single block read time (in hundredths of a second)
PHYBLKRD NUMBER   Number of physical blocks read
PHYBLKWRT NUMBER   Number of blocks written to disk, which may be the same as PHYWRTS if all writes are single blocks
WAIT_COUNT NUMBER   Wait Count
TIME NUMBER   Wait Time